From 17952cb41f2e673c42f2bb863f2119fcececdba1 Mon Sep 17 00:00:00 2001
From: Tristan Gingold <tgingold@free.fr>
Date: Mon, 4 May 2020 19:05:48 +0200
Subject: testsuite/synth: add a test for #1277

---
 testsuite/synth/issue1277/issue.vhdl   | 23 +++++++++++++++++++++++
 testsuite/synth/issue1277/testsuite.sh | 10 ++++++++++
 2 files changed, 33 insertions(+)
 create mode 100644 testsuite/synth/issue1277/issue.vhdl
 create mode 100755 testsuite/synth/issue1277/testsuite.sh

diff --git a/testsuite/synth/issue1277/issue.vhdl b/testsuite/synth/issue1277/issue.vhdl
new file mode 100644
index 000000000..4cff77c52
--- /dev/null
+++ b/testsuite/synth/issue1277/issue.vhdl
@@ -0,0 +1,23 @@
+library ieee;
+use ieee.std_logic_1164.all;
+
+entity issue is
+    port (lo_1 : out std_logic_vector (1 downto 0);
+          lo_2 : out std_logic_vector (1 downto 0));
+end entity issue;
+
+architecture beh of issue is
+    function fun (arg : integer) return integer is
+    begin
+        return arg - 1;
+    end function;
+
+    signal hi_c : std_logic_vector (15-1 downto 1);
+    signal hi_f : std_logic_vector (fun(15) downto 1);
+
+    signal foobar_c : std_logic_vector (15 downto 0) := (others => '0');
+    signal foobar_f : std_logic_vector (fun(16) downto 0) := (others=>'0');
+begin
+    (hi_c, lo_1) <= foobar_f; -- works
+    (hi_f, lo_2) <= foobar_c; -- crashes
+end architecture;
diff --git a/testsuite/synth/issue1277/testsuite.sh b/testsuite/synth/issue1277/testsuite.sh
new file mode 100755
index 000000000..aac5be939
--- /dev/null
+++ b/testsuite/synth/issue1277/testsuite.sh
@@ -0,0 +1,10 @@
+#! /bin/sh
+
+. ../../testenv.sh
+
+GHDL_STD_FLAGS=--std=08
+
+synth_analyze issue
+clean
+
+echo "Test successful"
-- 
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